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Relativity and Cosmology

This quiz covers fundamental concepts of the theory of relativity (special and general relativity) as well as key principles in cosmology including the expanding universe, cosmic microwave background, dark matter, and dark energy.

9 Questions Published
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Questions

Question 1 Multiple Choice (Single Answer)

Who proposed the theory of relativity?

  1. Isaac Newton
  2. Albert Einstein
  3. Galileo Galilei
  4. Max Planck
Question 2 Multiple Choice (Single Answer)

What is the fundamental postulate of special relativity?

  1. The laws of physics are the same for all observers in uniform motion.
  2. Time and space are absolute.
  3. Mass and energy are equivalent.
  4. Gravity is a curvature of spacetime.
Question 3 Multiple Choice (Single Answer)

What is the famous equation that relates mass and energy?

  1. $E = mc^2$
  2. $E = hv$
  3. $F = ma$
  4. $E = kT$
Question 4 Multiple Choice (Single Answer)

What is the concept of spacetime in general relativity?

  1. A four-dimensional continuum combining space and time.
  2. A three-dimensional Euclidean space.
  3. A two-dimensional plane.
  4. A one-dimensional line.
Question 5 Multiple Choice (Single Answer)

What is the phenomenon of time dilation?

  1. Time passes faster for objects in motion.
  2. Time passes slower for objects in motion.
  3. Time passes at the same rate for all objects.
  4. Time is an illusion.
Question 6 Multiple Choice (Single Answer)

What is the phenomenon of length contraction?

  1. Objects contract in length when moving.
  2. Objects expand in length when moving.
  3. Objects remain the same length when moving.
  4. Length is an illusion.
Question 7 Multiple Choice (Single Answer)

What is the bending of light around massive objects called?

  1. Gravitational lensing
  2. Refraction
  3. Reflection
  4. Diffraction
Question 8 Multiple Choice (Single Answer)

What is the event horizon of a black hole?

  1. The point of no return for objects falling into a black hole.
  2. The center of a black hole.
  3. The boundary of a black hole.
  4. The region outside a black hole.
Question 9 Multiple Choice (Single Answer)

What is the singularity at the center of a black hole called?

  1. The Big Bang
  2. The Big Crunch
  3. The Black Hole Singularity
  4. The White Hole Singularity
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